Home / 971,972.52-1,341,296.20-542,241.60

Finding the Fourth Proportional to 971,972.52, 1,341,296.20 and 542,241.60

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Solution

The fourth proportional to 971,972.52, 1,341,296.20 and 542,241.60 is: 748,278.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,972.52 : 1,341,296.20 = 542,241.60 : x
  2. Step 2: Convert to fraction form
    971,972.52/1,341,296.20 = 542,241.60/x
  3. Step 3: Cross multiply
    971,972.52x = 1,341,296.20 × 542,241.60
  4. Step 4: Simplify right side
    971,972.52x = 727,306,597,561.92
  5. Step 5: Solve for x
    x = 727,306,597,561.92/971,972.52
  6. Step 6: Final answer
    x = 748,278.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.